18747400

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{1913}}^1$

素因数の和:1943

約数の個数: 72

約数和(自身を含む): 50730570

約数和(自身を除く): 31983170

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 140, 175, 196, 200, 245, 280, 350, 392, 490, 700, 980, 1225, 1400, 1913, 1960, 2450, 3826, 4900, 7652, 9565, 9800, 13391, 15304, 19130, 26782, 38260, 47825, 53564, 66955, 76520, 93737, 95650, 107128, 133910, 187474, 191300, 267820, 334775, 374948, 382600, 468685, 535640, 669550, 749896, 937370, 1339100, 1874740, 2343425, 2678200, 3749480, 4686850, 9373700, 18747400]

約数ペア:

[(1, 18747400), (2, 9373700), (4, 4686850), (5, 3749480), (7, 2678200), (8, 2343425), (10, 1874740), (14, 1339100), (20, 937370), (25, 749896), (28, 669550), (35, 535640), (40, 468685), (49, 382600), (50, 374948), (56, 334775), (70, 267820), (98, 191300), (100, 187474), (140, 133910), (175, 107128), (196, 95650), (200, 93737), (245, 76520), (280, 66955), (350, 53564), (392, 47825), (490, 38260), (700, 26782), (980, 19130), (1225, 15304), (1400, 13391), (1913, 9800), (1960, 9565), (2450, 7652), (3826, 4900)]